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发明名称
Improvements in or relating to rotary cleaning devices
摘要
申请公布号
GB372195(A)
申请公布日期
1932.05.05
申请号
GB19310023010
申请日期
1931.08.14
申请人
PERCY FREDERICK COX;EDWARD ARTHUR PROSSER
发明人
分类号
A47L17/00
主分类号
A47L17/00
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代理人
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